Description
The AT91SAM9R64/RL64 device is based on the integration of an ARM926EJ-S processor with a large fast SRAM and a wide range of peripherals.

The AT91SAM9R64/RL64 embeds one USB Device High Speed Controller, one LCD Controller (for AT91SAM9RL64 only), one AC97 controller, a 2-channel DMA Controller, four USARTs, two SSCs, one SPI, two TWIs, three Timer Counter channels, a 4-channel PWM generator, one Multimedia Card interface and a 6-channel Analog-to-digital converter that also provides touch screen management.

The AT91SAM9R64/RL64 is architectured on a 6-layer bus matrix. It also features an External Bus Interface capable of interfacing with a wide range of memory and peripheral devices.

Some features are not available for AT91SAM9R64 in the 144-ball BGA package.